Friday, October 23, 2015

Node Manager startup issue in Weblogic


We created a machine from Weblogic Console for OAM Domain and added oam_server in order to start oam_server through console(through node manager)

After creating machine , we started node manager from below location:
nohup ./ &

But while starting node manager , below error was observed in logs.


Oct 23, 2015 8:05:46 AM weblogic.nodemanager.server.Handler run
WARNING: Uncaught exception in server [Security:090476]Invalid/unknown SSL header was received from peer HOSTNAME - HOSTNAME during SSL handshake. [Security:090476]Invalid/unknown SSL header was received from peer HOSTNAME – HOSTNAME during SSL handshake.
at com.certicom.tls.interfaceimpl.TLSConnectionImpl.fireException(Unknown Source)
at com.certicom.tls.interfaceimpl.TLSConnectionImpl.fireAlertSent(Unknown Source)
at com.certicom.tls.record.ReadHandler.fireAlert(Unknown Source)
at com.certicom.tls.record.ReadHandler.getProtocolVersion(Unknown Source)
at com.certicom.tls.record.ReadHandler.checkVersion(Unknown Source)
at com.certicom.tls.record.ReadHandler.readRecord(Unknown Source)
at com.certicom.tls.record.ReadHandler.readUntilHandshakeComplete(Unknown Source)
at com.certicom.tls.interfaceimpl.TLSConnectionImpl.completeHandshake(Unknown Source)
at Source)
at Source)
at sun.nio.cs.StreamDecoder.readBytes(
at sun.nio.cs.StreamDecoder.implRead(
<Oct 23, 2015 8:06:02 AM > <Warning> <Security> <BEA-090476> <Invalid/unknown SSL header was received from peer HOSTNAME – HOSTNAME during SSL handshake.>


It seems SecureListener parameter in was set to true.To resolved follow below steps.

Step 1) Go to below mentioned location

Step 2) Take backup of file
$ cp nodemanager.properties_ORG

Step 3) Edit SecureListener parameter to false in file
Old: SecureListener=true
New: SecureListener=false
Save it.

Step 4) Go to below mentioned location and start nodemanager process.
$nohup ./ &

Issue was solved. Confirm it by checking status of nodemanager on weblogic console.
It showed Reachable.

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